Check another suburbYour suburb, scored · Data as of Oct 2026
Lock, SA
R-Score 84 / 100 — ranked #2,525 of 15,286 suburbs this month
Market conditions here are running warmer than most
Most of the demand and supply indicators we track are sitting above the national midpoint this month.
Scores describe measured market conditions — not personal advice, and not a forecast.
Suburb averages hide a lot. Check how your street compares with the rest of Lock →
Is Lock a buy right now? Get our verdict + the 5 best streets
Our read on Lock, the Top 5 streets to target, and the score, price, rent and market-speed trends behind it. Instant, free, and a copy lands in your inbox.
- Our read: is Lock a buy right now?
- The Top 5 streets in Lock to target
- 18-month R-Score trend + what's driving it
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Best Streets in Lock, SA
Compare every street in Lock (SA) on the Street Score →
Other High-Scoring Suburbs in Elliston (SA)
- EllistonR-Score 83/100 · Streets →
- Port KennyR-Score 44/100 · Streets →
| Indicator | Lock Reading | Context & Benchmark |
|---|---|---|
| Ripehouse R-Score | 84 / 100 | Ranked #2,525 of 15,286 Australian suburbs (Oct 2026) |
| Median House Price | $159,000 | +0% over the past 12 months of settled sales |
| Median Weekly Asking Rent | $300/wk | Implies a 7.5% gross rental yield at the current median price |
| Rental Vacancy Rate | 5.6% | Above the 1.5% tight-supply threshold |
| Median Days on Market | 411 days | Part of Elliston (SA) council area (LGA avg R-Score 70/100) |
Buyer's Agent & Quantitative Due Diligence
Considering buying an investment property in Lock, SA?
Since 2011, Ripehouse Advisory has helped Australian investors screen 15,000 suburbs and 518,000+ streets to avoid high-public-housing blocks, flood/overlay traps, and underperforming pockets. Speak with our team before you make an offer.
Lock SA FAQs
Frequently Asked Questions: Investing in Lock, SA
Is Lock SA a good suburb for property investment in 2026?
As of Oct 2026, Lock (SA 5633) scores 84/100 on the Ripehouse R-Score, ranking #2,525 out of 15,286 Australian suburbs. Market conditions here are running warmer than most. Key fundamentals include a median price of $159,000, median rent of $300/wk, gross yield of 7.5%, and vacancy of 5.6%.
What is the median house price and 12-month growth in Lock SA?
The current median property price in Lock (SA) is $159,000 (Oct 2026), representing a 0% change over the past 12 months. Properties in Lock currently spend a median of 411 days on market.
What is the rental yield and vacancy rate in Lock SA?
In Lock (SA), the median weekly asking rent is $300/wk, producing a gross rental yield of 7.5%. The suburb vacancy rate is 5.6% as of Oct 2026.
What are the best streets in Lock SA?
Ripehouse Advisory scores every G-NAF street in Lock against the suburb average for owner-occupancy, public housing, rent, and yield. Use the Lock Street Score tool on this page to compare individual streets.
Which council area (LGA) is Lock SA located in?
Lock (SA, postcode 5633) is located in the Elliston council area (LGA). Across Elliston, the council-wide average R-Score is 70/100 across 17 suburbs.
R-Score and all figures are drawn from Ripehouse's research engine — 15,000 suburbs measured across 27 indicators, refreshed monthly (data as of Oct 2026). Scores describe past and current measured market conditions only. Past performance is not a reliable indicator of future performance. Nothing on this page is personal financial advice.